Home / 53,710.40-80,534.08-16,259.20

Finding the Fourth Proportional to 53,710.40, 80,534.08 and 16,259.20

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Solution

The fourth proportional to 53,710.40, 80,534.08 and 16,259.20 is: 24,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,710.40 : 80,534.08 = 16,259.20 : x
  2. Step 2: Convert to fraction form
    53,710.40/80,534.08 = 16,259.20/x
  3. Step 3: Cross multiply
    53,710.40x = 80,534.08 × 16,259.20
  4. Step 4: Simplify right side
    53,710.40x = 1,309,419,713.54
  5. Step 5: Solve for x
    x = 1,309,419,713.54/53,710.40
  6. Step 6: Final answer
    x = 24,379.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.